com.sk89q.worldedit.expression.parser

Class UnboundVariable

java.lang.Object

com.sk89q.worldedit.expression.parser.PseudoToken

com.sk89q.worldedit.expression.parser.UnboundVariable

All Implemented Interfaces:

Identifiable, LValue, RValue

public class UnboundVariable
extends PseudoToken
implements LValue

Field Summary

Fields

Modifier and Type	Field and Description
String	name

Constructor Summary

Constructors

Constructor and Description
UnboundVariable(int position, String name)

Method Summary

Methods

Modifier and Type	Method and Description
double	assign(double value)
RValue	bind(Expression expression, boolean isLValue)
LValue	bindVariables(Expression expression, boolean preferLValue)
double	getValue()
char	id() Returns a character that helps identify the token, pseudo-token or invokable in question.
LValue	optimize()
String	toString()

Methods inherited from class com.sk89q.worldedit.expression.parser.PseudoToken

getPosition

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.sk89q.worldedit.expression.Identifiable

getPosition

Field Detail

name

public final String name

Constructor Detail

UnboundVariable

public UnboundVariable(int position,
               String name)

Method Detail

id

public char id()

Description copied from interface: Identifiable

Returns a character that helps identify the token, pseudo-token or invokable in question.

 Tokens:
 i - IdentifierToken
 0 - NumberToken
 o - OperatorToken
 \0 - NullToken
 CharacterTokens are returned literally

 PseudoTokens:
 p - UnaryOperator
 V - UnboundVariable

 Nodes:
 c - Constant
 v - Variable
 f - Function
 l - LValueFunction
 s - Sequence
 I - Conditional
 w - While
 F - For
 r - Return
 b - Break (includes continue)
 S - SimpleFor
 C - Switch
 

Specified by:

id in interface Identifiable

Specified by:

id in class PseudoToken

toString

public String toString()

Overrides:

toString in class Object

getValue

public double getValue()
                throws EvaluationException

Specified by:

getValue in interface RValue

Throws:

EvaluationException

optimize

public LValue optimize()
                throws EvaluationException

Specified by:

optimize in interface LValue

Specified by:

optimize in interface RValue

Throws:

EvaluationException

assign

public double assign(double value)
              throws EvaluationException

Specified by:

assign in interface LValue

Throws:

EvaluationException

bind

public RValue bind(Expression expression,
          boolean isLValue)
            throws ParserException

Throws:

ParserException

bindVariables

public LValue bindVariables(Expression expression,
                   boolean preferLValue)
                     throws ParserException

Specified by:

bindVariables in interface LValue

Specified by:

bindVariables in interface RValue

Throws:

ParserException